CVE-2001-1270: Pkware Pkzip

Low severity, CVSS 2.1. EPSS: 0.6% chance of exploitation in the next 30 days.

Directory traversal vulnerability in the console version of PKZip (pkzipc) 4.00 and earlier allows attackers to overwrite arbitrary files during archive extraction with the -rec (recursive) option via a .. (dot dot) attack on the archived files.

Affected products

• Pkware Pkzip: up to and including 4.00

Published 2001-07-12. Last modified 2026-06-16.